Full reference: C. J. Maury. 1924. Fosseis Terciarios Do Brazil. Serico Geologico E Mineralogico Do Brazil Monograph 49
Belongs to Scapharca according to C. J. Maury 1924
Sister taxa: Arca (Scapharca) aguadica, Arca (Scapharca) collazica, Arca (Scapharca) ecuadoriana, Arca (Scapharca) hopkinsi, Arca (Scapharca) sansebastiana, Arca (Scapharca) weeksi, Arca (Scapharca) wheeleri, Scapharca (Scapharca), Scapharca axelolssoni, Scapharca broughtoni, Scapharca cornea, Scapharca crashleyi, Scapharca crassissima, Scapharca eusphaera, Scapharca inaequivalvis, Scapharca meroensis, Scapharca pinguescens, Scapharca rustica, Scapharca satowi, Scapharca sedanensis, Scapharca terhaari, Scapharca tjilanangensis, Scapharca vanwinkleae
Ecology: facultatively mobile epifaunal suspension feeder